CVE-2016-7836
SKYSEA Client View Improper Authentication Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 4 November 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
SKYSEA Client View Ver.11.221.03 and earlier allows remote code execution via a flaw in processing authentication on the TCP connection with the management console program.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 19.23% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 14 October 2025 · due 4 November 2025
- Weakness
- CWE-287
- Affected
- skygroup/skysea client view
- Source
- vultures@jpcert.or.jp
EPSS 19.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.skyseaclientview.net/news/161221/ ; https://nvd.nist.gov/vuln/detail/CVE-2016-7836
References
- http://www.securityfocus.com/bid/95062Third Party Advisory, VDB Entry
- http://www.skyseaclientview.net/news/161221/Vendor Advisory
- https://jvn.jp/en/jp/JVN84995847/index.htmlThird Party Advisory, VDB Entry
- https://www.skygroup.jp/security-info/170308.htmlExploit, Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/95062Third Party Advisory, VDB Entry
- http://www.skyseaclientview.net/news/161221/Vendor Advisory
- https://jvn.jp/en/jp/JVN84995847/index.htmlThird Party Advisory, VDB Entry
- https://www.skygroup.jp/security-info/170308.htmlExploit, Technical Description, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7836US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.